2

Can't diagnose:
based on the information provided. Recommend an in-person evaluation so that this can visualized. A medical history is important and some times labs or even a biopsy may be needed for accurate assessment. Take care.
...Read more

4

Generally:
With time the skin color may return to normal, but there are instances when , since some of the inflammatory cells take up pigmented damaged tissue, that the area may remain darker than the surrounding area. Ask anyone who has had hematomas (blood collections in tissue), in which the uptake of iron by macrophages results in permanent dark areas. Not in everybody, but some.
...Read more

5

Rashes:
rashes and skin lesions are tough to diagnose over the computer if not impossible. Have the area looked at by your Dr. to get an official diagnosis and assure it is not something that needs to be treated.
...Read more

9

Itchiness:
This in and of itself will not be considered a disease but the broken skin can lead to infection if u fail to put neosporin or skin protectant. Now if u scratch a lot out of nervousness this could be considered neurotic excoriation which is considered a 'disease'.
...Read more